Linux Analysis Report
arm.elf

Overview

General Information

Sample name: arm.elf
Analysis ID: 1541836
MD5: 449d9b0b980599effca64659fb0277e2
SHA1: a7aa82e8cdfe3960497dc2721a45d17a350b946f
SHA256: 62f057f896df8bc22235c290099635bcbb30d1c67f479aac40de53e03ef5a8ac
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Sample has stripped symbol table
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection

barindex
Source: arm.elf Avira: detected
Source: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global traffic TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: mal48.linELF@0/0@0/0
Source: /tmp/arm.elf (PID: 6229) Queries kernel information via 'uname': Jump to behavior
Source: arm.elf, 6229.1.000055d5ab203000.000055d5ab331000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: arm.elf, 6229.1.00007fff10a09000.00007fff10a2a000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/arm.elfSUDO_USER=saturninoPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binDISPLAY=:1.0XAUTHORITY=/run/user/1000/gdm/XauthoritySUDO_UID=1000TERM=xterm-256colorCOLORTERM=truecolorLOGNAME=rootUSER=rootLANG=en_US.UTF-8SUDO_COMMAND=/bin/bashHOME=/rootMAIL=/var/mail/rootSUDO_GID=1000SHELL=/bin/bash/tmp/arm.elf
Source: arm.elf, 6229.1.000055d5ab203000.000055d5ab331000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: arm.elf, 6229.1.00007fff10a09000.00007fff10a2a000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs